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Message boards : Generalized Fermat Prime Search : GFN CPU task L3 Cache size?

Author Message
GDB
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Joined: 15 Nov 11
Posts: 280
ID: 119185
Credit: 3,399,084,162
RAC: 3,949,025
Discovered 2 mega primesFound 1 prime in the 2022 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (13,480,830)Cullen LLR Turquoise: Earned 5,000,000 credits (5,837,403)ESP LLR Turquoise: Earned 5,000,000 credits (5,600,055)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (7,361,683)PPS LLR Jade: Earned 10,000,000 credits (17,670,890)PSP LLR Turquoise: Earned 5,000,000 credits (7,468,468)SoB LLR Sapphire: Earned 20,000,000 credits (21,544,109)SR5 LLR Turquoise: Earned 5,000,000 credits (6,839,538)SGS LLR Turquoise: Earned 5,000,000 credits (5,688,853)TRP LLR Jade: Earned 10,000,000 credits (10,398,149)Woodall LLR Turquoise: Earned 5,000,000 credits (5,099,498)321 Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,834,160)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,647,915)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (11,373,349)PPS Sieve Double Silver: Earned 200,000,000 credits (498,780,133)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (4,080,038)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (7,803,337)AP 26/27 Double Silver: Earned 200,000,000 credits (200,108,285)GFN Double Silver: Earned 200,000,000 credits (355,744,232)WW Double Silver: Earned 200,000,000 credits (342,864,000)PSA Double Amethyst: Earned 1,000,000,000 credits (1,863,027,834)
Message 146970 - Posted: 23 Dec 2020 | 2:53:49 UTC

Is there any published L3 cache usage for GFN CPU tasks, like LLR tasks publish their memory usage?
____________

Yves Gallot
Volunteer developer
Project scientist
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Joined: 19 Aug 12
Posts: 712
ID: 164101
Credit: 305,166,630
RAC: 0
GFN Double Silver: Earned 200,000,000 credits (305,166,630)
Message 146975 - Posted: 23 Dec 2020 | 8:10:04 UTC - in response to Message 146970.

Is there any published L3 cache usage for GFN CPU tasks, like LLR tasks publish their memory usage?

fma/avx/sse4/sse2 transforms, GFN-n: 2n * size of FP64
    GFN-21: 16M

fmai/avxi/sse4i/sse2i transforms, GFN-n: 2n+1 * size of FP64

    GFN-16: 1M
    GFN-17: 2M
    GFN-18: 4M
    GFN-19: 8M
    GFN-20: 16M

Profile dannyridel
Volunteer tester
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Joined: 3 Feb 19
Posts: 966
ID: 1097922
Credit: 38,467,401
RAC: 176,493
Discovered 1 mega prime321 LLR Gold: Earned 500,000 credits (853,318)Cullen LLR Silver: Earned 100,000 credits (221,150)ESP LLR Gold: Earned 500,000 credits (517,207)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,021,028)PPS LLR Ruby: Earned 2,000,000 credits (3,553,662)PSP LLR Gold: Earned 500,000 credits (616,940)SoB LLR Gold: Earned 500,000 credits (533,625)SR5 LLR Gold: Earned 500,000 credits (512,697)SGS LLR Gold: Earned 500,000 credits (726,147)TRP LLR Silver: Earned 100,000 credits (430,262)Woodall LLR Silver: Earned 100,000 credits (144,022)321 Sieve (suspended) Gold: Earned 500,000 credits (506,814)Generalized Cullen/Woodall Sieve (suspended) Bronze: Earned 10,000 credits (30,033)PPS Sieve Ruby: Earned 2,000,000 credits (3,566,518)AP 26/27 Ruby: Earned 2,000,000 credits (2,316,639)GFN Turquoise: Earned 5,000,000 credits (5,894,957)WW Jade: Earned 10,000,000 credits (16,684,000)PSA Silver: Earned 100,000 credits (373,034)
Message 146976 - Posted: 23 Dec 2020 | 8:33:56 UTC - in response to Message 146975.

Is there any published L3 cache usage for GFN CPU tasks, like LLR tasks publish their memory usage?

fma/avx/sse4/sse2 transforms, GFN-n: 2n * size of FP64
    GFN-21: 16M

fmai/avxi/sse4i/sse2i transforms, GFN-n: 2n+1 * size of FP64

    GFN-16: 1M
    GFN-17: 2M
    GFN-18: 4M
    GFN-19: 8M
    GFN-20: 16M


Ahh that explains why GFN20's on a 3800xt takes 6 days when running 8 concurrently and 2days when running 2 concurrently.
____________
My lucky number is 6219*2^3374198+1


Message boards : Generalized Fermat Prime Search : GFN CPU task L3 Cache size?

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